Dayton Audio RSS210HF-4 8″ Reference Series HF Subwoofer 4 Ohm

Dayton Audio RSS210HF-4 8″ Reference Series HF Subwoofer 4 Ohm Overview:The Dayton Audio Reference Series subwoofers take the quality and performance of the much acclaimed RS line into the subwoofer realm. The black anodized cone, rubber surround, and custom basket give this driver a unique, high-end look Key Features:Extensively vented motor eliminates compression and allows quiet excursionLightweight black anodized aluminum cone for rigidity and lower moving massSuitable for sealed or vented enclosuresTriple shorting ring motor for ultra-low distortion2-layer coil for reduced back EMFHighest quality materials throughout for long-lasting performance Product Details:BrandDayton AudioModelRSS210HF-4Unit of MeasureEachWeight8.8 Product Specification:Nominal Diameter8″Power Handling (RMS)280 Watts                  Power Handling (MAX)560 WattsSensitivity85.6dB 2.83V/1mVoice Coil Diameter2″Frequency Response27 to 1,000Hz    Impedance4Ω Thiele  Small Parameters:Resonant Frequency (Fs)29.6HzDC Resistance (Re)3.1ΩVoice Coil Inductance (Le)0.7mHMechanical Q (Qms)3.25Electromagnetic Q (Qes)0.69Total Q (Qts)0.57Compliance Equivalent Volume (Vas)0.84ft³Mechanical Compliance of Suspension (Cms)0.37mm/NBL Product (BL)8.12T·mDiaphragm Mass Inc. Airload (Mms)78.4gMaximum Linear Excursion (Xmax)9mmSurface Area of Cone (Sd)219cm² Materials of Construction:Cone Material                          AluminumSurround Material                          Rubber   Voice Coil Wire Material                          Copper Voice Coil Former                        AluminumBasket / Frame Material                          SteelMagnet Material                         Ferrite Mounting Information:Overall Outside Diameter                          8.39″Baffle Cutout Diameter                          7.28″Depth                          4.88″# Mounting Holes                            6 Dayton Audio RSS210HF-4 SpecificationsDayton Audio RSS210HF-4 Graphs/FRD/ZMA Data File